Essays Tagged: "Bulb"

Expirment: The effect of light on growing plants

exposed to different light qualities 24 hours a day, for 5 days. The lights used were 60watt light bulbs; one was left bare, one was covered with a blue transparent cover, and one was covered with a ... will grow the least. We think the plants with blue and red light might die.Materials:3 white light bulbs3 lamps with 60watt bulbs2 transparent colour sheets (red, blue)3 bean plantsRulerTap water 50m ...

(3 pages) 139 1 3.8 Dec/2002

Subjects: Science Essays > Forestry

Electric circuit

g to explain and also draw diagrams of to build up the series circuit step by step.Firstly I took a bulb and a switch and connect them to the power supply using two wires as shown on Fig.1Fig. 1Then I ... them to the power supply using two wires as shown on Fig.1Fig. 1Then I added another wire form the bulb to the switch.Fig. 2Now the series circuit has been connected and is a circuit but I need to at ...

(4 pages) 44 0 4.3 Apr/2004

Subjects: Science Essays > Engineering

Laboratory Investigation into the Resistance of a Filament Bulb

5/2/2006Aim: Does the resistance of a filament bulb change as the bulb gets brighter?Hypothesis: I believe that a filament bulb will have an increa ... ending upon the current passing through it.Equipment:*Power Supply*Wires*Ammeter*Voltmeter*Filament bulb with holder*Alligator clips*SwitchMethod:1.Set up the circuit according to the schematic diagra ... up the circuit according to the schematic diagram2.Use the alligator clips to connect the filament bulb to the voltmeter3.Connect the power supply to the electricity4.Make sure the switch is closed.5 ...

(2 pages) 46219 0 0.0 Jan/2007

Subjects: Science Essays > Physics

full explanation of plant propagation methods

and allowed to develop further.Crown DivisionCrown division is commonly used on plants that produce bulbs and plants that have more than one stem or crown. Plants with a single stem or crown cannot be ... ds the sucker can then be planted into well drained soil the soil should be kept moist at all times.BulbsBulbs can be grown in numerous ways but the easiest is from seeds, where seeds are lightly sown ...

(5 pages) 0 0 0.0 Sep/2013

Subjects: Science Essays > Agriculture